3pcs 8GB 1333MHz ECC Register Module, You might receive 1066mhz or 1600mhz since all of them work in there. Lifetime Warranty 30 Day Money Back Guarantee We don't use Generic or OEM Parts to avoid incompatibility specially in HP systems. Manufactured by CMS A 64-bit operating system is required to utilize more than 4GB of memory.
Maximum Memory: 128GB ECC UDIMMs 384GB Reg ECC RDIMMs 512GB Reg ECC 1.35V LV RDIMMs 768GB LRDIMMs with future products
Expansions: 24 Socket (s) using two processors 12 Socket (s) per processor
Compatible with: HP/Compaq ProLiant ML350p Gen8 (G8)